Clutching at stoplights...
#77
Registered
Right...but by leaving the car in neutral at a light you are basically engaging the clutch twice as often. This puts twice as much wear on the clutch disc...yes? Or are you saying that since the first time you engage the clutch you are returning to neutral so there is no wear so it is equal.
If you rev match when shifting, there will be very little slippage and hence very little wear. If you re-engage the clutch (take your foot off the pedal) with the transmission in neutral, there's virtually no torque, hence no wear.
The throwout bearing is under no load when the clutch is engaged. It is under load when you step on the clutch. Sitting at a light with the clutch pedal down means you're putting wear on the throwout bearing. Think about how much time you're on the clutch pedal when you start from a stop and shift up through the gears. Ten seconds total? 15 if you're a granny? Sitting at a light for a minute with your foot on the clutch means 4 to 6 times that wear.
Not to mention the mess if your foot slips while juggling that drink at a drive through.
Ken
#78
Registered
Right...but by leaving the car in neutral at a light you are basically engaging the clutch twice as often. This puts twice as much wear on the clutch disc...yes? Or are you saying that since the first time you engage the clutch you are returning to neutral so there is no wear so it is equal.
when you in neutral, theres almost no resistance on the output shaft, the moment you release the clutch the rotation speed would be instantly the same.
#79
I drive at Red Line.
iTrader: (1)
clutch out does spin the tranny and synchros though and you can hear that part. Id rather wear on a throwout bearing than the transmission unnecessarily. Either way though its more personal choice. my 1958 has a 10 year old clutch and a 52 year old 4 speed transmission on it running on a Porsche 2.1L dual carburetor engine.
On a second note. My gf has an RX8 as well, she sits with the clutch out, I sit with the clutch in. We are both around the same mileage with the original clutch and transmissions in our cars. So on the note of if it truly matters or not I would say its personal preference.
On a second note. My gf has an RX8 as well, she sits with the clutch out, I sit with the clutch in. We are both around the same mileage with the original clutch and transmissions in our cars. So on the note of if it truly matters or not I would say its personal preference.
#80
Registered
I cant do clutch in at lights cuz I have ADD my mind would wonder and I would foget that Im still in gear and let out the clutch stall the car. did that once already.
#81
Banned
iTrader: (3)
The only thing about "in gear" is the same rule for every state that I'm aware of and that is you cannot "coast" in neutral for more than 500 feet.
Holding the clutch in puts stress on the hydraulic system, release bearing and pressure plate.
Just keep your foot near the pedal and your hand on the shifter. The potential time delay far outweighs the likely dim-witted mistakes that could be made leaving it clutched in gear for a minute or more.
Put brake caliper grease on the pivot where the release cylinder engages the release fork on the upper-left side of the transmission. Problem solved.
Last edited by MazdaManiac; 08-11-2010 at 08:49 PM.
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